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Official data from INPI

PROCESSO CÍCLICO PARA PURIFICAR MEIOS AQUOSOS QUE CONTÊM IMPUREZAS ORGÂNICAS DISSOLVIDAS

Em AnáliseInvention Patent

Application data

Number

PI8606243

Type

Invention Patent

Filing

12/17/1986

Publication

09/29/1987

Progress at the INPI

Under appeal
  1. Filing12/17/86
  2. Publication09/29/87
  3. Examination11/16/88
  4. Refused09/29/92
  5. Grant
  6. In force

The application was refused by the INPI on 09/29/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

D. G. (pessoa física)

US

J. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

814.897 · 12/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/16/1988

RPI 943

Publicação do pedido de patente

#3.1

09/29/1987

RPI 884

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Indeferimento

#9.2

09/29/1992

RPI 1139

Conhecimento de parecer técnico

#7.1

10/15/1991

RPI 1089

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